Modularize project (PR #18 from segunfamisa/master)

This commit extracts existing code into two modules:
1. `floorplan-cli`
2. `core`

This will be useful for reusability and make implementing the Gradle plugin easier to implement - #15

build.gradle

@@ -1,37 +1,11 @@
 plugins {
-    id 'application'
-    id 'java'
-    id 'org.jetbrains.kotlin.jvm' version '1.3.71'
-    id 'org.jetbrains.kotlin.plugin.serialization' version '1.3.71'
-}
-
-ext {
-    javaMainClass = "com.zynger.floorplan.AppKt"
+    id 'org.jetbrains.kotlin.jvm' version '1.3.71' apply false
 }
 
 group 'zynger'
 version '0.1-SNAPSHOT'
 
-sourceCompatibility = 1.8
-
 repositories {
     mavenCentral()
     jcenter()
 }
-
-application {
-    mainClassName = javaMainClass
-}
-
-dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
-    implementation "org.jetbrains.kotlinx:kotlinx-serialization-runtime:0.20.0" // JVM dependency
-    testCompile group: 'junit', name: 'junit', version: '4.12'
-}
-
-compileKotlin {
-    kotlinOptions.jvmTarget = "1.8"
-}
-compileTestKotlin {
-    kotlinOptions.jvmTarget = "1.8"
-}

core/build.gradle

@@ -0,0 +1,25 @@
+plugins {
+    id 'java'
+    id 'org.jetbrains.kotlin.jvm'
+    id 'org.jetbrains.kotlin.plugin.serialization' version '1.3.71'
+}
+
+sourceCompatibility = 1.8
+
+repositories {
+    mavenCentral()
+    jcenter()
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-runtime:0.20.0" // JVM dependency
+    testImplementation "junit:junit:4.12"
+}
+
+compileKotlin {
+    kotlinOptions.jvmTarget = "1.8"
+}
+compileTestKotlin {
+    kotlinOptions.jvmTarget = "1.8"
+}

floorplan-cli/build.gradle

@@ -0,0 +1,33 @@
+plugins {
+    id 'application'
+    id 'java'
+    id 'org.jetbrains.kotlin.jvm'
+}
+
+group 'zynger'
+version '0.1-SNAPSHOT'
+
+sourceCompatibility = 1.8
+
+repositories {
+    mavenCentral()
+    jcenter()
+}
+
+application {
+    mainClassName = "com.zynger.floorplan.AppKt"
+}
+
+dependencies {
+    implementation project(":core")
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-runtime:0.20.0" // JVM dependency
+    testImplementation "junit:junit:4.12"
+}
+
+compileKotlin {
+    kotlinOptions.jvmTarget = "1.8"
+}
+compileTestKotlin {
+    kotlinOptions.jvmTarget = "1.8"
+}

settings.gradle

@@ -1,2 +1,3 @@
 rootProject.name = 'floorplan'
-
+include 'core'
+include 'floorplan-cli'